LS - 4.125 Bore

Dart SHP LS Next Cast Iron Block, 9.240" Deck Height X 4.125" Diameter Bore LS Main Steel Cap Part Number: 31837211

Dart SHP LS Next Pro Cast Iron Bare Block, 9.240" Deck Height X 4.125" Diameter Bore Steel Cap Part Number: 31867212

*********************MACHINED FOR 55mm ROLLER CAM BEARINGS********************* Dart LS Next Aluminum Bare Block, 9.240" Deck Height X 4.125" Diameter Bore Steel Main Cap Part Number: 31937211